That vector is called a "null vector".
那种矢量就叫做”零矢量“。
An expressing vector of major outer-membrane protein of Chlamydia psittaci was constructed.
构建了鹦鹉热衣原体主要外膜蛋白的表达载体。
This research intended to construct a eukaryotic expression vector with a site-directed mutation of porcine MSTN propeptide gene.
本研究旨在构建具有猪 MSTN 前肽基因定点突变的真核表达载体。
一个与半径垂直的矢量。
Now, what's the gradient vector?
现在，梯度向量是什么呢？
These involve vector quantities.
这些则包括向量。
Scalable vector graphics (SVGs).
可伸缩的矢量图形（SVG）。
OK, so that's the velocity vector.
好，这就是速度矢量。
它构成一个矢量。
It is proportional to this vector field.
它与向量场成比例。
We dot our favorite vector field with it.
用我们喜欢的向量场来点乘它。
What will the angular momentum vector do?
角动量的矢量会怎样呢？
A lot of vector fields are not gradients.
很多向量场都不是梯度。
And so, that's called the velocity vector.
因此我们叫它速度矢量。
That means your normal vector points down.
那意味着法向量指向下。
The second is the initial vector byte array.
第二个是初始矢量字节数组。
That corresponds to normal vector pointing up.
那相当于法向量指向上。
At the origin, the vector field is not defined.
在原点，向量场是没有意义的。
The two types of images are: bitmap and vector.
图像分为两类：位图和矢量图。
This byte array is called an initial vector (IV).
这个字节数组称为初始矢量(IV)。
What happens when multiply this with the vector X?
我们把它和向量x相乘会怎样？
SVG is an XML vocabulary for describing vector images.
SVG是一种xml词汇表，用于描述矢量图像。
The key to understanding this all is vector arithmetic.
理解这一切的关键在于向量算术。
The outer vector holds all the inner vector objects.
外部vector包含所有内部vector对象。
The type of vector depends on the type of value promoted.
向量的类型取决于所提升的值的类型。
The normal vector pointing up, here we know what it means.
法向量指向上，这里我们知道它是什么意思。
We have a vector field that gives us a vector at every point.
有一个向量场来描述每一个点上的向量。
Each measurement site is a linear vector of temperature values.
每一个测量位置是温度值的一个线性向量。
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